[DevTools] Make DevTools clients talk directly to DevToolsAgentHost instead of using DevToolsManage…

content/browser/devtools/embedded_worker_devtools_manager_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/devtools/embedded_worker_devtools_manager.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "content/browser/browser_thread_impl.h"
-#include "content/browser/devtools/devtools_manager_impl.h"
+#include "content/browser/devtools/devtools_agent_host_impl.h"
 #include "content/browser/devtools/embedded_worker_devtools_agent_host.h"
 #include "content/browser/shared_worker/shared_worker_instance.h"
 #include "content/browser/shared_worker/worker_storage_partition.h"
-#include "content/public/browser/devtools_agent_host.h"
-#include "content/public/browser/devtools_client_host.h"
 #include "content/public/test/test_browser_context.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 namespace {
 
-class TestDevToolsClientHost : public DevToolsClientHost {
+class TestDevToolsClientHost : public DevToolsAgentHostClient {
  public:
   TestDevToolsClientHost() {}
   virtual ~TestDevToolsClientHost() {}
-  virtual void DispatchOnInspectorFrontend(
-      const std::string& message) OVERRIDE {}
-  virtual void InspectedContentsClosing() OVERRIDE {}
-  virtual void ReplacedWithAnotherClient() OVERRIDE {}
+  virtual void DispatchProtocolMessage(
+      DevToolsAgentHost* agent_host, const std::string& message) OVERRIDE {}
+  virtual void AgentHostClosed(
+      DevToolsAgentHost* agent_host, bool replaced) OVERRIDE {}
 
+  void InspectAgentHost(DevToolsAgentHost* agent_host) {
+    if (agent_host_)
+      agent_host_->DetachClient();
+    agent_host_ = agent_host;
+    if (agent_host_)
+      agent_host_->AttachClient(this);
+  }
  private:
+  scoped_refptr<DevToolsAgentHost> agent_host_;
   DISALLOW_COPY_AND_ASSIGN(TestDevToolsClientHost);
 };
 }
 
 class EmbeddedWorkerDevToolsManagerTest : public testing::Test {
  public:
   typedef EmbeddedWorkerDevToolsAgentHost::WorkerState WorkerState;
 
   EmbeddedWorkerDevToolsManagerTest()
       : ui_thread_(BrowserThread::UI, &message_loop_),
@@ skipping 31 matching lines @@
   void CheckWorkerNotExist(int worker_process_id, int worker_route_id) {
     const EmbeddedWorkerDevToolsManager::WorkerId id(worker_process_id,
                                                      worker_route_id);
     EXPECT_TRUE(manager_->workers_.end() == manager_->workers_.find(id));
   }
 
   void CheckWorkerCount(size_t size) {
     EXPECT_EQ(size, manager_->workers_.size());
   }
 
-  void RegisterDevToolsClientHostFor(DevToolsAgentHost* agent_host,
-                                     DevToolsClientHost* client_host) {
-    DevToolsManagerImpl::GetInstance()->RegisterDevToolsClientHostFor(
-        agent_host, client_host);
-  }
-
-  void ClientHostClosing(DevToolsClientHost* client_host) {
-    DevToolsManagerImpl::GetInstance()->ClientHostClosing(client_host);
-  }
-
   base::MessageLoopForIO message_loop_;
   BrowserThreadImpl ui_thread_;
   scoped_ptr<TestBrowserContext> browser_context_;
   scoped_ptr<WorkerStoragePartition> partition_;
   const WorkerStoragePartitionId partition_id_;
   EmbeddedWorkerDevToolsManager* manager_;
 };
 
 TEST_F(EmbeddedWorkerDevToolsManagerTest, BasicTest) {
-  scoped_refptr<DevToolsAgentHost> agent_host;
+  scoped_refptr<DevToolsAgentHostImpl> agent_host;
 
   SharedWorkerInstance instance1(GURL("http://example.com/w.js"),
                                  base::string16(),
                                  base::string16(),
                                  blink::WebContentSecurityPolicyTypeReport,
                                  browser_context_->GetResourceContext(),
                                  partition_id_);
 
   agent_host = manager_->GetDevToolsAgentHostForWorker(1, 1);
   EXPECT_FALSE(agent_host.get());
@@ skipping 61 matching lines @@
   CheckWorkerState(1, 6, WorkerState::WORKER_UNINSPECTED);
   agent_host = manager_->GetDevToolsAgentHostForWorker(1, 6);
   EXPECT_TRUE(agent_host.get());
   CheckWorkerState(1, 6, WorkerState::WORKER_UNINSPECTED);
   agent_host = NULL;
   manager_->WorkerDestroyed(1, 6);
   CheckWorkerNotExist(1, 6);
 }
 
 TEST_F(EmbeddedWorkerDevToolsManagerTest, AttachTest) {
-  scoped_refptr<DevToolsAgentHost> agent_host1;
-  scoped_refptr<DevToolsAgentHost> agent_host2;
+  scoped_refptr<DevToolsAgentHostImpl> agent_host1;
+  scoped_refptr<DevToolsAgentHostImpl> agent_host2;
 
   SharedWorkerInstance instance1(GURL("http://example.com/w1.js"),
                                  base::string16(),
                                  base::string16(),
                                  blink::WebContentSecurityPolicyTypeReport,
                                  browser_context_->GetResourceContext(),
                                  partition_id_);
   SharedWorkerInstance instance2(GURL("http://example.com/w2.js"),
                                  base::string16(),
                                  base::string16(),
                                  blink::WebContentSecurityPolicyTypeReport,
                                  browser_context_->GetResourceContext(),
                                  partition_id_);
 
   // Created -> GetDevToolsAgentHost -> Register -> Started -> Destroyed
   scoped_ptr<TestDevToolsClientHost> client_host1(new TestDevToolsClientHost());
   CheckWorkerNotExist(2, 1);
   manager_->SharedWorkerCreated(2, 1, instance1);
   CheckWorkerState(2, 1, WorkerState::WORKER_UNINSPECTED);
   agent_host1 = manager_->GetDevToolsAgentHostForWorker(2, 1);
   EXPECT_TRUE(agent_host1.get());
   CheckWorkerState(2, 1, WorkerState::WORKER_UNINSPECTED);
   EXPECT_EQ(agent_host1.get(), manager_->GetDevToolsAgentHostForWorker(2, 1));
-  RegisterDevToolsClientHostFor(agent_host1.get(), client_host1.get());
+  client_host1->InspectAgentHost(agent_host1.get());
   CheckWorkerState(2, 1, WorkerState::WORKER_INSPECTED);
   manager_->WorkerContextStarted(2, 1);
   CheckWorkerState(2, 1, WorkerState::WORKER_INSPECTED);
   manager_->WorkerDestroyed(2, 1);
   CheckWorkerState(2, 1, WorkerState::WORKER_TERMINATED);
   EXPECT_EQ(agent_host1.get(), manager_->GetDevToolsAgentHostForWorker(2, 1));
 
   // Created -> Started -> GetDevToolsAgentHost -> Register -> Destroyed
   scoped_ptr<TestDevToolsClientHost> client_host2(new TestDevToolsClientHost());
   manager_->SharedWorkerCreated(2, 2, instance2);
   CheckWorkerState(2, 2, WorkerState::WORKER_UNINSPECTED);
   manager_->WorkerContextStarted(2, 2);
   CheckWorkerState(2, 2, WorkerState::WORKER_UNINSPECTED);
   agent_host2 = manager_->GetDevToolsAgentHostForWorker(2, 2);
   EXPECT_TRUE(agent_host2.get());
   EXPECT_NE(agent_host1.get(), agent_host2.get());
   EXPECT_EQ(agent_host2.get(), manager_->GetDevToolsAgentHostForWorker(2, 2));
   CheckWorkerState(2, 2, WorkerState::WORKER_UNINSPECTED);
-  RegisterDevToolsClientHostFor(agent_host2.get(), client_host2.get());
+  client_host2->InspectAgentHost(agent_host2);
   CheckWorkerState(2, 2, WorkerState::WORKER_INSPECTED);
   manager_->WorkerDestroyed(2, 2);
   CheckWorkerState(2, 2, WorkerState::WORKER_TERMINATED);
   EXPECT_EQ(agent_host2.get(), manager_->GetDevToolsAgentHostForWorker(2, 2));
 
   // Re-created -> Started -> ClientHostClosing -> Destroyed
   CheckWorkerState(2, 1, WorkerState::WORKER_TERMINATED);
   manager_->SharedWorkerCreated(2, 3, instance1);
   CheckWorkerNotExist(2, 1);
   CheckWorkerState(2, 3, WorkerState::WORKER_PAUSED_FOR_REATTACH);
   EXPECT_EQ(agent_host1.get(), manager_->GetDevToolsAgentHostForWorker(2, 3));
   manager_->WorkerContextStarted(2, 3);
   CheckWorkerState(2, 3, WorkerState::WORKER_INSPECTED);
-  ClientHostClosing(client_host1.get());
+  client_host1->InspectAgentHost(NULL);
   manager_->WorkerDestroyed(2, 3);
   CheckWorkerState(2, 3, WorkerState::WORKER_TERMINATED);
   agent_host1 = NULL;
   CheckWorkerNotExist(2, 3);
 
   // Re-created -> Destroyed
   CheckWorkerState(2, 2, WorkerState::WORKER_TERMINATED);
   manager_->SharedWorkerCreated(2, 4, instance2);
   CheckWorkerNotExist(2, 2);
   CheckWorkerState(2, 4, WorkerState::WORKER_PAUSED_FOR_REATTACH);
   EXPECT_EQ(agent_host2.get(), manager_->GetDevToolsAgentHostForWorker(2, 4));
   manager_->WorkerDestroyed(2, 4);
   CheckWorkerNotExist(2, 2);
   CheckWorkerState(2, 4, WorkerState::WORKER_TERMINATED);
 
   // Re-created -> ClientHostClosing -> Destroyed
   manager_->SharedWorkerCreated(2, 5, instance2);
   CheckWorkerNotExist(2, 2);
   CheckWorkerState(2, 5, WorkerState::WORKER_PAUSED_FOR_REATTACH);
   EXPECT_EQ(agent_host2.get(), manager_->GetDevToolsAgentHostForWorker(2, 5));
-  ClientHostClosing(client_host2.get());
+  client_host2->InspectAgentHost(NULL);
   CheckWorkerCount(1);
   agent_host2 = NULL;
   CheckWorkerCount(1);
   manager_->WorkerDestroyed(2, 5);
   CheckWorkerCount(0);
 }
 
 TEST_F(EmbeddedWorkerDevToolsManagerTest, ReattachTest) {
   SharedWorkerInstance instance(GURL("http://example.com/w3.js"),
                                 base::string16(),
                                 base::string16(),
                                 blink::WebContentSecurityPolicyTypeReport,
                                 browser_context_->GetResourceContext(),
                                 partition_id_);
   scoped_ptr<TestDevToolsClientHost> client_host(new TestDevToolsClientHost());
   // Created -> GetDevToolsAgentHost -> Register -> Destroyed
   manager_->SharedWorkerCreated(3, 1, instance);
   CheckWorkerState(3, 1, WorkerState::WORKER_UNINSPECTED);
   scoped_refptr<DevToolsAgentHost> agent_host(
       manager_->GetDevToolsAgentHostForWorker(3, 1));
   EXPECT_TRUE(agent_host.get());
   CheckWorkerState(3, 1, WorkerState::WORKER_UNINSPECTED);
-  RegisterDevToolsClientHostFor(agent_host.get(), client_host.get());
+  client_host->InspectAgentHost(agent_host.get());
   CheckWorkerState(3, 1, WorkerState::WORKER_INSPECTED);
   manager_->WorkerDestroyed(3, 1);
   CheckWorkerState(3, 1, WorkerState::WORKER_TERMINATED);
   // ClientHostClosing -> Re-created -> release agent_host -> Destroyed
-  ClientHostClosing(client_host.get());
+  client_host->InspectAgentHost(NULL);
   CheckWorkerState(3, 1, WorkerState::WORKER_TERMINATED);
   manager_->SharedWorkerCreated(3, 2, instance);
   CheckWorkerState(3, 2, WorkerState::WORKER_UNINSPECTED);
   agent_host = NULL;
   CheckWorkerState(3, 2, WorkerState::WORKER_UNINSPECTED);
   manager_->WorkerDestroyed(3, 2);
   CheckWorkerNotExist(3, 2);
   CheckWorkerCount(0);
 }
 
 }  // namespace content